W 404 x 75,7 Arval · Weight & Dimensions

Arval, hot-rolled sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: IPR 404 x 75,7 (México) · Doble T 404 x 75,7 (Argentina / LATAM) · UB 404 (UK / Australia)

The W 404 x 75,7 steel profile weighs 75.7 kg/m (50.85 lb/ft), has a depth of 404 mm (15.91 in), flange width 182 mm (7.17 in). Cross-sectional area: 9,638.658 mm². Moment of inertia Ix = 26,747.039 cm⁴, Iy = 1,564.25 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	404 mm	15.91 in
Width (b)	182 mm	7.17 in
Web thickness (tw)	9.7 mm	0.38 in
Flange thickness (tf)	15.5 mm	0.61 in
Fillet radius (r)	21 mm	0.83 in
Weight	75.7 kg/m	50.85 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,638.66 mm²	14.940 in²
Moment of inertia (Ix)	26,747.04 cm⁴	642.60 in⁴
Moment of inertia (Iy)	1,564.25 cm⁴	37.58 in⁴
Elastic section modulus (Sx)	1,324.11 cm³	80.803 in³
Elastic section modulus (Sy)	171.9 cm³	10.490 in³
Plastic section modulus (Zx)	1,502.17 cm³	91.669 in³
Plastic section modulus (Zy)	269.1 cm³	16.421 in³
Radius of gyration (rx)	16.66 cm	6.558 in
Radius of gyration (ry)	4.03 cm	1.586 in